If there is no slope in the area between the low and high tide line, and no wave action, you usually get a wetland=tidalflat (mud flat), or salt marsh, or mangroves, depending on the climate, not a beach.
- Joseph On 8/15/19, Paul Allen <pla16...@gmail.com> wrote: > On Thu, 15 Aug 2019 at 12:41, ael <witwa...@disroot.org> wrote: > >> >> I was going to comment that a beach has to meet the water at the same >> level. That is maybe sort of implied above? As opposed to a cliff or >> even wall. >> > > With a cliff the high water and low water marks would be coincident, or > very nearly > so. Unless there is at least enough space for somebody to stand between > high- > and low-water marks, it can't be a beach. > > I am not sure that a beach is required to have a "significant" slope. >> Obviously it must have some non-zero slope, otherwise it will be covered >> by the water (to a first approximation). But on reflection, even that >> may not be true for some sections of a beach. Portions that may be >> exposed at low tide could even have a negative slope, and still be a >> (hazardous) beach. >> > > I wouldn't say a slope is required, just that in the real world there will > be a slope. > The point I think was trying to be made is that the slope isn't vertical or > so steep > that it's difficult to walk on. But I could be wrong. > > -- > Paul > _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging